function close(target) {
	document.getElementsByClassName = getElementsByClassName;
	var divs = document.getElementsByClassName('content');
	//var divs = document.getElementsByTagName('div');
	var divslength = divs.length;
	for(i = 0; i < divslength; i++) {
		var div = divs[i];
		div.style.display = 'none';
	}
}

function test(id){
	close();
	var div = document.getElementById(id);
	div.style.display = 'block';
	//div.style="display: block; height: 61px; opacity: 0.983607;"
}


function getElementsByClassName(_className)
{
	var _classArray = [];
	var _regExp = new RegExp('\\b' + _className + '\\b');
	var _getAllTags = document.getElementsByTagName('*');
	for(var i = 0; i < _getAllTags.length; i++)	{
		if (_regExp.test(_getAllTags[i].className) == true)	{
			_classArray.push(_getAllTags[i]);
		}
	}

	return _classArray;
}